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Finding the Fourth Proportional to 9,653.76, 14,481.78 and 3,077.64

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Solution

The fourth proportional to 9,653.76, 14,481.78 and 3,077.64 is: 4,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.76 : 14,481.78 = 3,077.64 : x
  2. Step 2: Convert to fraction form
    9,653.76/14,481.78 = 3,077.64/x
  3. Step 3: Cross multiply
    9,653.76x = 14,481.78 × 3,077.64
  4. Step 4: Simplify right side
    9,653.76x = 44,569,705.40
  5. Step 5: Solve for x
    x = 44,569,705.40/9,653.76
  6. Step 6: Final answer
    x = 4,616.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.